Alaska earthquakes

M2.0 earthquake 137 km S of Unalaska, Alaska

A magnitude 2.0 earthquake struck 137 km S of Unalaska, Alaska on Sun, Aug 8, 2021, 8:02 PM AKDT (04:02 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.5 147 km ESE of Nikolski, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-08-09 04:02:15 UTC
Depth
9.2 km (5.7 mi), shallow
Epicenter
52.647° N, 166.804° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
22

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 1.792 km E of Nikolski, Alaska · 1871 days ago · 26 km deep · 59 km away
  2. 1.582 km SSW of Unalaska, Alaska · 1870 days ago · 25 km deep · 59 km away
  3. 1.658 km SW of Unalaska, Alaska · 1870 days ago · 74 km deep · 90 km away
  4. 1.5141 km S of Unalaska, Alaska · 1869 days ago · 13 km deep · 4 km away
  5. 1.585 km ESE of Nikolski, Alaska · 1868 days ago · 26 km deep · 57 km away
  6. 3.5147 km ESE of Nikolski, Alaska · 1868 days ago · 18 km deep · 24 km away
  7. 1.786 km SSW of Unalaska, Alaska · 1865 days ago · 26 km deep · 52 km away
  8. 1.962 km E of Nikolski, Alaska · 1863 days ago · 67 km deep · 82 km away
  9. 1.5Fox Islands, Aleutian Islands, Alaska · 1863 days ago · 42 km deep · 94 km away
  10. 4.086 km E of Nikolski, Alaska · 1863 days ago · 35 km deep · 57 km away
  11. 4.670 km E of Nikolski, Alaska · 1863 days ago · 43 km deep · 75 km away · felt by 1
  12. 1.595 km E of Nikolski, Alaska · 1861 days ago · 49 km deep · 52 km away
  13. 1.8151 km ESE of Nikolski, Alaska · 1860 days ago · 18 km deep · 17 km away
  14. 1.768 km E of Nikolski, Alaska · 1859 days ago · 30 km deep · 76 km away
  15. 2.661 km SSE of Unalaska, Alaska · 1857 days ago · 35 km deep · 96 km away
  16. 2.8185 km SSE of Unalaska, Alaska · 1856 days ago · 10 km deep · 72 km away
  17. 2.756 km SE of Nikolski, Alaska · 1856 days ago · 35 km deep · 92 km away
  18. 1.757 km ESE of Nikolski, Alaska · 1855 days ago · 26 km deep · 84 km away
  19. 1.857 km ESE of Nikolski, Alaska · 1852 days ago · 37 km deep · 89 km away
  20. 1.789 km E of Nikolski, Alaska · 1851 days ago · 25 km deep · 54 km away
  21. 1.8135 km ESE of Nikolski, Alaska · 1850 days ago · 25 km deep · 27 km away
  22. 2.0152 km ESE of Nikolski, Alaska · 1850 days ago · 15 km deep · 18 km away
  23. 2.5105 km SE of Unalaska, Alaska · 1850 days ago · 35 km deep · 98 km away
  24. 2.055 km SE of Nikolski, Alaska · 1849 days ago · 19 km deep · 100 km away
  25. 1.984 km E of Nikolski, Alaska · 1849 days ago · 53 km deep · 62 km away
  26. 1.688 km SSW of Unalaska, Alaska · 1849 days ago · 24 km deep · 57 km away
  27. 2.674 km SSW of Unalaska, Alaska · 1849 days ago · 55 km deep · 64 km away
  28. 1.9140 km ESE of Nikolski, Alaska · 1848 days ago · 14 km deep · 15 km away
  29. 1.9136 km ESE of Nikolski, Alaska · 1847 days ago · 7 km deep · 7 km away
  30. 2.948 km SW of Unalaska, Alaska · 1847 days ago · 96 km deep · 99 km away
  31. 2.9103 km ESE of Nikolski, Alaska · 1847 days ago · 25 km deep · 39 km away
  32. 1.570 km SW of Unalaska, Alaska · 1846 days ago · 31 km deep · 85 km away
  33. 2.863 km SSW of Unalaska, Alaska · 1845 days ago · 67 km deep · 80 km away
  34. 3.6127 km S of Unalaska, Alaska · 1843 days ago · 7 km deep · 10 km away
  35. 2.184 km S of Unalaska, Alaska · 1843 days ago · 26 km deep · 54 km away
  36. 1.8144 km S of Unalaska, Alaska · 1843 days ago · 26 km deep · 20 km away
  37. 1.7143 km S of Unalaska, Alaska · 1843 days ago · 21 km deep · 15 km away
  38. 1.6124 km S of Unalaska, Alaska · 1842 days ago · 2 km deep · 14 km away
  39. 1.578 km SW of Unalaska, Alaska · 1840 days ago · 31 km deep · 97 km away
  40. 1.8102 km E of Nikolski, Alaska · 1839 days ago · 25 km deep · 46 km away
  41. 2.380 km SE of Nikolski, Alaska · 1832 days ago · 25 km deep · 85 km away
  42. 1.981 km SSE of Unalaska, Alaska · 1832 days ago · 25 km deep · 82 km away
  43. 2.652 km ESE of Nikolski, Alaska · 1828 days ago · 34 km deep · 92 km away
  44. 2.098 km E of Nikolski, Alaska · 1827 days ago · 26 km deep · 48 km away
  45. 2.684 km S of Unalaska, Alaska · 1826 days ago · 35 km deep · 54 km away
  46. 1.6Fox Islands, Aleutian Islands, Alaska · 1823 days ago · 23 km deep · 97 km away
  47. 3.2109 km SSW of Unalaska, Alaska · 1822 days ago · 29 km deep · 30 km away
  48. 3.085 km SSW of Unalaska, Alaska · 1822 days ago · 35 km deep · 53 km away
  49. 1.9107 km E of Nikolski, Alaska · 1819 days ago · 14 km deep · 43 km away
  50. 2.191 km SE of Nikolski, Alaska · 1816 days ago · 26 km deep · 88 km away
  51. 2.054 km SSW of Unalaska, Alaska · 1815 days ago · 71 km deep · 89 km away
  52. 2.5107 km ESE of Nikolski, Alaska · 1814 days ago · 23 km deep · 49 km away
  53. 2.984 km E of Nikolski, Alaska · 1813 days ago · 35 km deep · 58 km away
  54. 1.781 km SSE of Unalaska, Alaska · 1812 days ago · 26 km deep · 80 km away
  55. 1.8105 km ESE of Nikolski, Alaska · 1812 days ago · 17 km deep · 43 km away

Before

  1. 2.8192 km SE of Nikolski, Alaska · 1871 days ago · 10 km deep · 80 km away
  2. 2.0100 km E of Nikolski, Alaska · 1873 days ago · 26 km deep · 45 km away
  3. 1.789 km SSW of Unalaska, Alaska · 1875 days ago · 26 km deep · 52 km away
  4. 1.688 km SSW of Unalaska, Alaska · 1875 days ago · 26 km deep · 54 km away
  5. 3.588 km SSW of Unalaska, Alaska · 1875 days ago · 35 km deep · 54 km away
  6. 3.094 km SSW of Unalaska, Alaska · 1875 days ago · 35 km deep · 45 km away
  7. 1.673 km SW of Unalaska, Alaska · 1876 days ago · 70 km deep · 94 km away
  8. 2.0144 km ESE of Nikolski, Alaska · 1876 days ago · 25 km deep · 12 km away
  9. 2.5187 km S of Unalaska, Alaska · 1876 days ago · 10 km deep · 73 km away
  10. 2.249 km ESE of Nikolski, Alaska · 1876 days ago · 26 km deep · 93 km away
  11. 1.783 km SSW of Unalaska, Alaska · 1879 days ago · 47 km deep · 65 km away
  12. 1.575 km SW of Unalaska, Alaska · 1880 days ago · 68 km deep · 91 km away
  13. 1.5103 km E of Nikolski, Alaska · 1880 days ago · 48 km deep · 45 km away
  14. 2.756 km ESE of Nikolski, Alaska · 1883 days ago · 32 km deep · 89 km away
  15. 2.781 km S of Unalaska, Alaska · 1884 days ago · 35 km deep · 56 km away
  16. 1.597 km SSW of Unalaska, Alaska · 1884 days ago · 47 km deep · 64 km away
  17. 1.5106 km SSE of Unalaska, Alaska · 1887 days ago · 14 km deep · 90 km away
  18. 1.6141 km ESE of Nikolski, Alaska · 1887 days ago · 11 km deep · 10 km away
  19. 2.061 km ESE of Nikolski, Alaska · 1888 days ago · 19 km deep · 87 km away
  20. 2.249 km ESE of Nikolski, Alaska · 1889 days ago · 27 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021a5k5w73. Read Wed, Sep 23, 2026, 9:18 AM UTC.